From: Rongjun Ying rongjun.ying@csr.com
Signed-off-by: Rongjun Ying rongjun.ying@csr.com --- .../devicetree/bindings/sound/sirf-audio-hub.txt | 52 ++++++++++++++++++++ 1 files changed, 52 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/sound/sirf-audio-hub.txt
diff --git a/Documentation/devicetree/bindings/sound/sirf-audio-hub.txt b/Documentation/devicetree/bindings/sound/sirf-audio-hub.txt new file mode 100644 index 0000000..4f148a1 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/sirf-audio-hub.txt @@ -0,0 +1,52 @@ +SiRF audio hub + +The audio hub is the consist of an internal audio codec, internal +audio port and i2s controller. There are sharing same register +address space. + +Required properties: +- compatible: Must be "sirf,audio-hub" +- reg : The register address of the device +- #address-cells: Must be 1 +- #size-cells: Must be 1 + +Nodes: +Internal audio codec: +- compatible : "sirf,atlas6-audio-codec" or "sirf,prima2-audio-codec" +- clocks: A phandle reference to the SiRF internal audio codec clock + +Internal audio port: +- compatible: "sirf,audio-port" + +I2S controller: +- compatible: "sirf,prima2-i2s" +- clocks: A phandle reference to the SiRF I2S controller clock + +Example: +sirf_audio_hub: audio_hub@b0040000 { + compatible = "sirf,audio-hub"; + reg = <0xb0040000 0x10000>; + #address-cells = <1>; + #size-cells = <1>; + + audiocodec: audiocodec { + compatible = "sirf,atlas6-audio-codec"; + interrupts = <35>; + clocks = <&clks 27>; + }; + + audioport: audioport { + compatible = "sirf,audio-port"; + dmas = <&dmac1 3>, <&dmac1 8>; + dma-names = "rx", "tx"; + }; + + i2s: i2s { + compatible = "sirf,prima2-i2s"; + dmas = <&dmac1 6>, <&dmac1 12>; + dma-names = "rx", "tx"; + clocks = <&clks 27>; + pinctrl-names = "default"; + pinctrl-0 = <&i2s_pins_a>; + }; +};